Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the "Red Planet", as the iron oxide prevalent on its surface gives it a reddish appearance...

Promethei Terra is a large Martian region, centered at and covering 3300 km at its broadest extent. It lies to the east of the massive Hellas basin. Like much of the southern part of the planet it is a heavily cratered, highland region. Promethei Terra was named for a classic albedo feature...

. It is one of several large craters in the heavily pock-marked upland region. It was named in 1973 in honour of American geologist Grove K. Gilbert.